Koskamo

Sentinelle catnat MCP

An MCP server that queries French natural-disaster decrees (CatNat) per commune to determine if the 30-day insurance-claim deadline is still active. It provides tools for checking deadlines and examples, powered by official state data.

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Endpoint and access

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Sentinelle catnat MCP logo, by amacuniaCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-08Published by amacunia
MCP endpoint (Streamable HTTP)
https://catnat.amacunia.fr/mcp
Vendor documentation

What its tools do

2 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.

Not annotated (2)

2 of 2 have a description · 0 of 2 declare behavior hints · 0 of 1 with parameters document them all

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Endpoint answered the live check ·
  • Availability 1 of 1 checks passed in 30 days

What you can do with it

  • Check if the 30-day insurance claim deadline is still active for specific communes
  • Retrieve exact deadline dates for natural disaster declarations
  • Get free example responses for testing integration

Source and maintenance

Community listingRegistry 0.2.0
mcp-registry: io.github.Marcoco27/sentinelle-catnat@0.2.0Project website

Protocol and capabilities

Server
Sentinelle catnat FR 1.30.0
MCP protocol negotiated in check
2025-11-25
Tools
2 advertised
Resources
0 advertised
Resource templates
0 advertised
Prompts
0 advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": false
  },
  "prompts": {
    "listChanged": false
  },
  "resources": {
    "subscribe": false,
    "listChanged": false
  },
  "experimental": {}
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

French natural-disaster decrees (arrêtés CatNat) per commune, and whether the 30-day home-insurance claim window is still open. Use catnat_example (free) to see the output, catnat_lookup (paid via x402, USDC on Base) for 1 to 50 INSEE commune codes.

Tools

2 advertised

catnat_example
Advertised by the server during the last successful anonymous check.

Free sample: real output for Paris (75056) as of 2018-03-01, while a claim window was open. Same shape as catnat_lookup.

catnat_example input schema
{
  "type": "object",
  "title": "catnat_exampleArguments",
  "properties": {}
}
catnat_lookup
Advertised by the server during the last successful anonymous check.

France natural-disaster decrees (arrêtés CatNat, Journal officiel) for 1 to 50 communes by INSEE code. For each commune: every decree with peril and event dates, and whether the 30-day window to file a home-insurance claim is still open, with the exact deadline (art. L125-2 Code des assurances, weekend and holiday extension) and days left. Official open data (Géorisques GASPAR). For insurers, brokers, loss adjusters, property managers, notaries. Price: 0.01 USDC per call (x402).

catnat_lookup input schema
{
  "type": "object",
  "title": "catnat_lookupArguments",
  "required": [
    "communes"
  ],
  "properties": {
    "communes": {
      "type": "string",
      "title": "Communes"
    }
  }
}

Prompts

0 advertised

No prompt definitions available.

Resources

0 advertised

No resource definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
1665 ms
95th percentile latency
1665 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 1665 ms · metadata changed · 2 tool(s), 0 resource(s), 0 resource template(s), 0 prompt(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http sentinelle-catnat-mcp https://catnat.amacunia.fr/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add sentinelle-catnat-mcp --url https://catnat.amacunia.fr/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable sentinelle-catnat-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "sentinelle-catnat-mcp": {
      "url": "https://catnat.amacunia.fr/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "sentinelle-catnat-mcp": {
      "type": "streamableHttp",
      "url": "https://catnat.amacunia.fr/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start sentinelle-catnat-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "sentinelle-catnat-mcp": {
      "type": "http",
      "url": "https://catnat.amacunia.fr/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http sentinelle-catnat-mcp https://catnat.amacunia.fr/mcp

Claude Desktop

Open Claude Settings > Connectors > Add custom connector, enter this server URL and enable it for the conversation. This is a manual remote-connector handoff, not a desktop JSON configuration.
Claude Desktop configuration
https://catnat.amacunia.fr/mcp

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "sentinelle-catnat-mcp": {
      "serverUrl": "https://catnat.amacunia.fr/mcp"
    }
  }
}

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